//
//  UIButton+Extension.swift
//  SinaWeibo
//
//  Created by liyue on 15/11/12.
//  Copyright © 2015年 李越. All rights reserved.
//

import UIKit

extension UIButton {
    //构造器
    convenience init(title: String, backImage: String?, color: UIColor?, image: String = "", size: CGFloat = 14) {
        
        self.init()
        setTitle(title, forState: .Normal)
        if backImage != nil {
        setBackgroundImage(UIImage(named: backImage!), forState: .Normal)
        setBackgroundImage(UIImage(named: backImage! + "_highlighted"), forState: .Highlighted)
        }
        titleLabel?.font = UIFont.systemFontOfSize(size)
        setImage(UIImage(named: image), forState: .Normal)
        if color != nil {
            
            setTitleColor(color, forState: .Normal)
        }
    }
}
